Firefighters from Chattanooga, Celina, Rockford and Mendon were on the scene Tuesday morning at a house fire in Liberty Township. The rural home of Shawn and Michelle Franck on Township Line Road was heavily damaged by heat and smoke, according to Lt. Doug Walters of the Celina department. None of the family was home at the time of the fire. Chatt Fire Chief Doug Brehm was not available by press time to provide further information.